Find the EAR of the following operations: Mr A invests 70,000 , for 1 year, in a bank account that offers the following financial conditions: - r(compound annual): 7% - periodicity: month (the bank pays interests 12 times per year) Mr B invests 70,000 , for 1 year, in a bank account that offers the following financial conditions: - r(compound annual): 7% - periodicity: semester (the bank pays interests twice per year)